structures

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Across
  1. 3. to improve the strength of a structure, we must choose the best ____
  2. 6. if a structure does not break, it has (resistencia)
  3. 9. the internal tensions that a body is subjected to when different forces act on it (esfuerzos)
  4. 10. a type of stress caused by two opposite forces acting on a body, tending to flex or bend it (flexión)
  5. 11. an influence that can deform a body or change its movement or produce movement in a body at rest (fuerza)
  6. 12. a type of stress caused by two opposite forces acting on a body, tending to twist it
Down
  1. 1. the stability of a structure depends on the position of its center of ____
  2. 2. the American flag has the colors red, white, and ____
  3. 4. the only figure that can not be deformed (triángulo)
  4. 5. the USA is most known for this sport
  5. 6. a type of stress caused by two oppositely directed forces acting on a body, tending to cut it (cortadura o cizalladura)
  6. 7. a type of stress caused by two opposite forces, tending to stretch it (tracción)
  7. 8. a type of stress caused by two opposite forces, tending to flatten it or reduce it